IASNOVA
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Question of
Identify the correct statements-
1) Alluvial soils are rich in potash and poor in phosphorous.
2)Khadar is new alluvium where as Bhangar is old alluvium.
3)khadar contains fine silts and Bhangar contains calcareous concretions.-
a) 1 only
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b) 1,2
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c)2,3
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d)1,2 and 3
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Question of
Idenitfy the correct statements-
1.Most of the Deccan plateau is covered by black soils.
2.Black soil is also called Regur soil.
3.They are generally clayey,deep and very permeable.
4.They experience “self ploughing” during the dry seasons.
5.They are rich in lime,iron and poor in magnesia and alumina.
6.They lack in phosphorous,nitrogen and organic matter.-
a)1,2,4,6
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b)1,2,3,4
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c)2,4,5,6
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d)1,3,5,6
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Question of
1.Red soils develop on crystalline igneous rocks in areas of low rainfall in the eastern and southern part of deccan plateau.
2.The red colour is due to magnesia content.
3.They are rich in nitrogen,phosphorous and humus.
Which of the above statements are correct?-
a)1 only
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b)2,3
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c)1,3
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d)1,2,3
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Question of
Which of the following statements is correct regarding Laterite soils?
1.They develop in areas with low temperature and high rainfall.
2.They result from intense leaching due to intense rainfall.
3.They are poor in organic matter and rich in nitrogen.
4.Iron oxide and potash are in excess.
5.They are not suitable for cultivation.-
a)1,3,5
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b)1,2,3
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c)3,4,5
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d)2,4,5
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Question of
Identify the correct statements-
1.Arid soils are clayey and saline in nature.
2.They lack in humus and rich in nitrogen.
3.Calcium content decreases downwards.-
a)1,2,3
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b)1,2
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c)2,3
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d) None
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Question of
Identify the correct statements with respect to Saline soils.
1.They contain large amounts of sodium,potassium and magnesium.
2.They lack in nitrogen and calcium.
3.Gypusm is added to reduce salinity of soils.-
a)1,2,3
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b)1,2
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c)2,3
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c)2,3
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Question of
Identify the correct statements wrt Peaty Soils.
1.They are found in areas with high vegetation and low humidity.
2.They are poor in organic and humus content.-
a) 1 only
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b) 2 only
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c) Both 1 and 2
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d) None
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Question of
Which of the following are methods of soil conservation?
1.Contour bunding
2.Contour Terracing
3.Mixed farming
4.Cover cropping
5.Crop rotation
6.Shifting cultivation-
a)1,3,5,6
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b)1,2,3,4,5
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c)2,3,5,6
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d)all
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Question of
Which of the following order of soils is found over maximum area in India?
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a) Entisols
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b)Alfisols
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c)Inceptisols
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d)Ultisols
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Question of
Identify the correct statements-
1.Effects of soil erosion are more in hilly parts of the country.
2.Over irrigation is a major cause of soil degradation in irrigated regions of India.-
a) 1 only
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b) 2 only
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c) Both 1 and 2
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d) None
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